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Ultra-high-rate detection of entangled photon pairs
Toshimori Honjo, Shigeyuki Miyajima, Shigehito Miki +5
The high-rate detection of entangled photons is essential for advancing photonic quantum information processing. Although several experimental demonstrations have been reported, th…
Model-based framework for automated quantification of error sources in quantum state tomography
Junpei Oba, Hsin-Pin Lo, Yasuhiro Yamada +6
High-quality quantum state generation is essential for advanced quantum information processing, including quantum communication, quantum sensing, and quantum computing. In practice…
Generation of a time-bin Greenberger--Horne--Zeilinger state with an optical switch
Hsin-Pin Lo, Takuya Ikuta, Koji Azuma +3
Multipartite entanglement is a critical resource in quantum information processing that exhibits much richer phenomenon and stronger correlations than in bipartite systems. This ad…
Scalable implementation of mutually unbiased bases for -dimensional quantum key distribution
Takuya Ikuta, Seiseki Akibue, Yuya Yonezu +3
A high-dimensional quantum key distribution (QKD) can improve error rate tolerance and the secret key rate. Many -dimensional QKDs have used two mutually unbiased bases (MUBs),…
Entanglement generation using a controlled-phase gate for time-bin qubits
Hsin-Pin Lo, Takuya Ikuta, Nobuyuki Matsuda +2
Quantum logic gates are important for quantum computations and quantum information processing in numerous physical systems. While time-bin qubits are suited for quantum communicati…
Quantum process tomography of a controlled-phase gate for time-bin qubits
Hsin-Pin Lo, Takuya Ikuta, Nobuyuki Matsuda +3
Time-bin qubits, where information is encoded in a single photon at different times, have been widely used in optical fiber and waveguide based quantum communications. With the rec…